An image projection device (100) of the present invention includes a display unit (300) to emit a display light representing a display image in a form of either of s-polarized light and p-polarized light and an optical laminate (200) that the display light emitted from the display unit (300) is incident on. The optical laminate (200) includes at least two substrates (210, 250) and an optical layer (230) to change a polarization direction of incident light by 90°. The display unit (300) has a polarization direction converter capable of freely switching between s-polarized light and p-polarized light.
IMAGE PROJECTION DEVICE AND HEAD-UP DISPLAY DEVICE
BILDPROJEKTIONSVORRICHTUNG UND HEAD-UP-ANZEIGEVORRICHTUNG
DISPOSITIF DE PROJECTION D'IMAGE ET DISPOSITIF D'AFFICHAGE TÊTE HAUTE
15.12.2021
Patent
Elektronische Ressource
Englisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen |
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